Ab initio investigation of the role of the d-states occupation on the adsorption properties of H2, CO, CH4 and CH3OH on the Fe13, Co13, Ni13 and Cu13 clusters

2021 ◽  
Vol 23 (14) ◽  
pp. 8739-8751
Author(s):  
Priscilla Felício-Sousa ◽  
Karla F. Andriani ◽  
Juarez L. F. Da Silva

Here, we report a theoretical investigation, based on density functional theory, into the role of the d-states occupation on the adsorption properties of CH4, CO, H2 and CH3OH on 3d 13-atom transition-metal (TM13) clusters (TM = Fe, Co, Ni, Cu).

Nanoscale ◽  
2020 ◽  
Author(s):  
Shashikant Kumar ◽  
David Codony ◽  
Irene Arias ◽  
Phanish Suryanarayana

We study the flexoelectric effect in fifty-four select atomic monolayers using ab initio Density Functional Theory (DFT). Specifically, considering representative materials from each of Group III monochalcogenides, transition metal dichalcogenides...


2017 ◽  
Vol 19 (11) ◽  
pp. 8076-8081 ◽  
Author(s):  
Yongju Lee ◽  
Dae-Gyeon Kwon ◽  
Gunn Kim ◽  
Young-Kyun Kwon

Using density functional theory, we investigate the adsorption properties of acetylsalicylic acid (aspirin) on the outer surfaces of a (10,0) carbon nanotube (CNT) and a (8,0) triazine-based graphitic carbon nitride nanotube (CNNT).


RSC Advances ◽  
2016 ◽  
Vol 6 (103) ◽  
pp. 101216-101225 ◽  
Author(s):  
Renan Augusto Pontes Ribeiro ◽  
Sergio Ricardo de Lazaro ◽  
Carlo Gatti

In this study, ab initio density functional theory calculations were performed on ATiO3 (A = Mn, Fe, Ni) materials for multiferroic applications.


RSC Advances ◽  
2017 ◽  
Vol 7 (28) ◽  
pp. 17122-17127 ◽  
Author(s):  
Polina Tereshchuk ◽  
Rafael C. Amaral ◽  
Yohanna Seminovski ◽  
Juarez L. F. Da Silva

We report an ab initio investigation to obtain an improved atomistic understanding of the adsorption properties of glycerol on a defected Pt6/Pt(100) substrate.


Author(s):  
Michal Fečík ◽  
Philipp N. Plessow ◽  
Felix Studt

The side-chain mechanism of the methanol-to-olefins process over the H-SSZ-13 acidic zeolite was investigated using periodic density functional theory with corrections from highly accurate ab intio calculations on large cluster models.


RSC Advances ◽  
2022 ◽  
Vol 12 (2) ◽  
pp. 1005-1010
Author(s):  
Li Hui ◽  
He Yuhan ◽  
Wang Jiaqi

Density functional theory (DFT) is used to study the bis-silylation of alkynes catalyzed by a transition metal nickel–organic complex; the active catalyst, the organic ligand, the reaction mechanism, and rate-determining step are discussed in this paper.


2019 ◽  
Vol 21 (16) ◽  
pp. 8434-8444 ◽  
Author(s):  
Paulo C. D. Mendes ◽  
Rafael Costa-Amaral ◽  
Janaina F. Gomes ◽  
Juarez L. F. Da Silva

Alcohol reactivity is strongly affected by the OH groups. Here, we report the effect of the number and positions of OH groups on the adsorption of C3 molecules on close-packed transition metal surfaces through an ab initio method.


2020 ◽  
Vol 22 (41) ◽  
pp. 23869-23877
Author(s):  
Yan Li ◽  
Ning Liu ◽  
Chengna Dai ◽  
Ruinian Xu ◽  
Bin Wu ◽  
...  

Present work investigates the kinetic role of H2 during Ni surface diffusion and deposition to generate branched Ni nanostructures by employing density functional theory (DFT) calculations and ab initio molecule dynamic (AIMD) simulations.


RSC Advances ◽  
2015 ◽  
Vol 5 (33) ◽  
pp. 25959-25966 ◽  
Author(s):  
Minhua Zhang ◽  
Meixiang Gao ◽  
Jianyue Chen ◽  
Yingzhe Yu

Adsorption properties of ethanol on different MgO/SiO2 surfaces were researched using density functional theory and the result is that ethanol is mainly adsorbed on MgO surface. The role of SiO2 in increasing the MgO crystal defects in the MgO/SiO2 has been obtained.


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